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The cytotoxic effect of methotrexate loaded bone cement on osteosarcoma cell lines

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Abstract.

We mixed various amounts of methotrexate with bone cement and measured the absorbance daily for 4 weeks. The cytotoxic effects on SaOS2 and MG63 osteosarcoma cells were examined by the MTT assay, and analysed according to the methotrexate concentration and the elapsed time. The amount of eluted methotrexate was greatest during the first day, and then decreased rapidly reaching a plateau in the third week. The number of viable tumour cells decreased significantly after 72 h, and they were hardly seen after 1 week.

Résumé.

Nous avons étudiés le mélange de methotrexate avec du ciment à os à des concentrations variables et mesuré la diffusion journalière pendant quatre semaines. L'effet cytotoxique sur les cellules ostéosarcomateuses SaOS2 et MG63 a été examinés par l'essai MTT, et analysé d'après la concentration du méthotrexate et le temps écoulé. Le montant de méthotrexate relargué était plus grand pendant le premier jour, et a ensuite diminué pour arriver à un plateau dans la troisième semaine. Le nombre de cellules tumorales viables a diminué considérablement après 72 heures pour être presque nul après une semaine.

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Kim, H., Park, Y., Oh, J. et al. The cytotoxic effect of methotrexate loaded bone cement on osteosarcoma cell lines. International Orthopaedics (SICOT) 25, 343–348 (2001). https://doi.org/10.1007/s002640100293

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  • DOI: https://doi.org/10.1007/s002640100293

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